Shareholders' Equity Part 2 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Loss
Balance at the beginning of the year	$ (38,593)	$ (24,971)
Other comprehensive (loss) income before reclassifications	(10,234)
Amounts reclassified from Accumulated Other Comprehensive Loss	698
Total Other Comprehensive (Loss) Income, net of tax	9,536	13,622	$ (5,362)
Balance at the end of the year	(48,129)	(38,593)	$ (24,971)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Loss
Balance at the beginning of the year	(32,090)
Other comprehensive (loss) income before reclassifications	12,495
Amounts reclassified from Accumulated Other Comprehensive Loss	0
Total Other Comprehensive (Loss) Income, net of tax	(12,495)
Balance at the end of the year	(44,585)	(32,090)
Pension and Post-retirement Benefits
Accumulated Other Comprehensive Loss
Balance at the beginning of the year	(6,503)
Other comprehensive (loss) income before reclassifications	(2,153)
Amounts reclassified from Accumulated Other Comprehensive Loss	(703)
Total Other Comprehensive (Loss) Income, net of tax	2,856
Balance at the end of the year	(3,647)	(6,503)
Cash Flow Hedge
Accumulated Other Comprehensive Loss
Balance at the beginning of the year	0
Other comprehensive (loss) income before reclassifications	(108)
Amounts reclassified from Accumulated Other Comprehensive Loss	5
Total Other Comprehensive (Loss) Income, net of tax	103
Balance at the end of the year	$ 103	$ 0